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Alpha Cybertech

Academic Programs

Linux System Administration involves managing and maintaining Linux-based systems. It includes tasks like user management, software installation, system updates, and security. Admins use command-line tools to configure services and troubleshoot issues. Popular distributions include Ubuntu, CentOS, and Red Hat. It is widely used in servers, cloud environments, and enterprise systems.

Build resilient, high-performance Linux ecosystems—your future starts now

Linux System Administration

Module 1

Introduction to Linux System Administration

  • What is Linux and Why Use It?
  • Popular Linux Distributions (Ubuntu, CentOS, Red Hat)
  • Roles & Responsibilities of a Linux Administrator
  • Terminal vs GUI
  • Basic Linux Commands
Module 2

Installation and Configuration of Linux

  • Installation of Ubuntu/CentOS/RHEL
  • Partitioning and File Systems
  • Basic System Configuration
  • Understanding the Linux Boot Process
  • Systemd and Services
Module 3

User and Group Management

  • Adding/Deleting Users and Groups
  • File Permissions and Ownership (chmod, chown, chgrp)
  • Understanding /etc/passwd, /etc/shadow
  • Sudo Access and Root Privileges
Module 4

Linux File System Management

  • Understanding Linux Directory Structure
  • Mounting and Unmounting File Systems
  • Logical Volume Management (LVM)
  • Disk Partitioning (fdisk, parted)
  • File Compression and Archiving (tar, gzip, zip)
Module 5

Package Management

  • Package Managers (APT, YUM, DNF)
  • Installing, Updating & Removing Packages
  • Managing Repositories
  • Compiling Software from Source
Module 6

Network Configuration and Services

  • IP Configuration (ifconfig, ip, netplan)
  • Hostname, DNS, Gateway Settings
  • Network Troubleshooting (ping, traceroute, netstat)
  • SSH Setup and Configuration
Module 7

Process & Service Management

  • Managing Background Processes (ps, top, htop)
  • Service Management using systemd (systemctl)
  • Scheduling Tasks with cron and at
  • Managing Startup Services
Module 8

Security & Firewall Configuration

  • Linux Firewall (ufw, firewalld, iptables)
  • Securing SSH
  • File Integrity Tools
  • SELinux and AppArmor (basic intro)
Module 9

File Sharing & Remote Access

  • NFS and Samba Setup
  • Mounting Remote Directories
  • Configuring FTP/SFTP Services
  • SCP and Rsync for File Transfers
Module 10

Backup and Recovery

  • Backup Tools: rsync, tar, dump
  • Automating Backups with cron
  • System Restore Points
  • Disaster Recovery Planning
Module 11

Monitoring & Performance Tuning

  • Monitoring Tools: top, vmstat, iostat, sar
  • Log Files: /var/log
  • Disk Usage and Cleanup (du, df, ncdu)
  • Performance Optimization Tips
Module 12

Server Roles & Applications

  • Web Server (Apache/Nginx)
  • Database Server (MySQL/PostgreSQL)
  • DNS and DHCP Server Basics
  • Mail Server Introduction
Academic Programs

Shell Scripting & Automation

Bash Scripting Basics
Writing Scripts for Daily Admin Tasks
Using Variables, Loops, and Conditions
Automating Maintenance Jobs